Stalwart Successor, Viscera Seer, and Grazing Kelpie

Prerequisites

• Stalwart Successor on the battlefield
• Viscera Seer on the battlefield
• Grazing Kelpie on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Grazing Kelpie When Grazing Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Grazing Kelpie enters, Stalwart Successor triggers, putting a +1/+1 counter on Grazing Kelpie Resolve the Viscera Seer ability
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite scry 1